Amphibia Hydra Series 2112 K496-R4 retail $170.00 amphibiaeyewear.com -Superior 100% polarized lenses, UVA, UVB & UVC (solar radiation) -Only High-End Buoyant (AirCel™) Sunglasses on the Market, floating eyewear -Lightweight, shatterproof, ANSI-rated polycarbonate 2mm thick lenses -Hydrophobic proprietary Coating (AquaArmor™) on front & back on lenses stops fogging & repels water, snow dry TR-90 frame material is considered to be plastics’ equivalent to titanium, providing an excellent strength-to-weight ratio. The frames also feature a high silicone rubber composition specifically engineered to react to body temperatures that result in a no-slip fit. AirCel™ Flotation Technology is what makes every pair of Amphibia frames truly suited for the life aquatic. Never lose a pair of sunglasses in the water again. 100% Polarized, Water phobic Polycarbonate Lenses provide crystal-clear vision in the brightest sunlight, while repelling water and snow on both sides. Condition pre-owned w normal wear